/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.dolphinscheduler.server.master.event;

import com.google.auto.service.AutoService;
import org.apache.dolphinscheduler.common.enums.StateEventType;
import org.apache.dolphinscheduler.common.enums.TimeoutFlag;
import org.apache.dolphinscheduler.dao.entity.TaskInstance;
import org.apache.dolphinscheduler.plugin.task.api.enums.TaskTimeoutStrategy;
import org.apache.dolphinscheduler.server.master.metrics.TaskMetrics;
import org.apache.dolphinscheduler.server.master.runner.WorkflowExecuteRunnable;
import org.apache.dolphinscheduler.server.master.runner.task.ITaskProcessor;
import org.apache.dolphinscheduler.server.master.runner.task.TaskAction;

import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@AutoService(StateEventHandler.class)
public class TaskTimeoutStateEventHandler implements StateEventHandler {

  private static final Logger logger = LoggerFactory.getLogger(TaskTimeoutStateEventHandler.class);

  @Override
  public boolean handleStateEvent(WorkflowExecuteRunnable workflowExecuteRunnable,
                                  StateEvent stateEvent) throws StateEventHandleError {
    TaskStateEvent taskStateEvent = (TaskStateEvent) stateEvent;

    TaskMetrics.incTaskInstanceByState("timeout");
    workflowExecuteRunnable.checkTaskInstanceByStateEvent(taskStateEvent);

    TaskInstance taskInstance =
        workflowExecuteRunnable.getTaskInstance(taskStateEvent.getTaskInstanceId()).orElseThrow(
            () -> new StateEventHandleError(String.format(
                "Cannot find the task instance from workflow execute runnable, taskInstanceId: %s",
                taskStateEvent.getTaskInstanceId())));

    logger.info("Handle task instance state timout event, taskInstanceId: {}", taskStateEvent.getTaskInstanceId());

    if (TimeoutFlag.CLOSE == taskInstance.getTaskDefine().getTimeoutFlag()) {
      return true;
    }
    TaskTimeoutStrategy taskTimeoutStrategy = taskInstance.getTaskDefine()
        .getTimeoutNotifyStrategy();
    Map<Long, ITaskProcessor> activeTaskProcessMap = workflowExecuteRunnable
        .getActiveTaskProcessMap();
    if ((TaskTimeoutStrategy.FAILED == taskTimeoutStrategy
        || TaskTimeoutStrategy.WARNFAILED == taskTimeoutStrategy)) {
      if (activeTaskProcessMap.containsKey(taskInstance.getTaskCode())) {
        ITaskProcessor taskProcessor = activeTaskProcessMap.get(taskInstance.getTaskCode());
        taskProcessor.action(TaskAction.TIMEOUT);
      } else {
        logger.warn(
            "cannot find the task processor for task {}, so skip task processor action.",
            taskInstance.getTaskCode());
      }
    }
    if (TaskTimeoutStrategy.WARN == taskTimeoutStrategy
        || TaskTimeoutStrategy.WARNFAILED == taskTimeoutStrategy) {
      workflowExecuteRunnable.processTimeout();
      workflowExecuteRunnable.taskTimeout(taskInstance);
    }
    return true;
  }

  @Override
  public StateEventType getEventType() {
    return StateEventType.TASK_TIMEOUT;
  }
}
